D. D. Rogov, V. M. Vystavnoi, N. F. Blagoveshchenskaya, P. E. Baryshev,
and A. S. Kalishin

Russian High-latitude Network of Oblique Ionospheric Sounding

5

P. А. Budnikov and V. V. Alpatov

Features of Using Survey Receivers for Real-time Ionosphere Monitoring

14

A. S. Kalishin, N. F. Blagoveshchenskaya, Т. D. Borisova, and D. D. Rogov

Remote Diagnostics of Effects Induced by High-latitude Heating Facilities

22

V. Е. Davydov, M. D. Zinkina, Yu. V. Pisanko, А. V. Tertyshnikov,
and R. Yu. Yurik

Satellite Observations of Effects of Auroral Ionosphere Heating with the EISCAT Facility

37

V. T. Minligareev, Yu. M. Kachanovskii, V. L. Kravchenok, E. A. Pan’shin,
and E. N. Khotenko

Metrological Support for the Roshydromet Ionospheric and Magnetic Observation Network

43

Yu. E. Belikov, S. V. Dyshlevskii, and A. Yu. Repin

Effect of Thin High Clouds and Aerosol Layers on the Heating and Dissipation of Low-level Clouds in the Arctic

53

E. V. Zabolotskikh and B. Chapron

Modeling X-band Microwave Radiation of the Arctic Seas Based on Satellite Observations: Taking into Account a Measurement Angle

69

А. G. Grankov and А. А. Mil’shin

Influence of Regularity of Satellite Microwave Radiometer Measurements on the Accuracy of Brightness Temperature Reproduction in Areas of the Tropical Cyclones

78

A. A. Filei and F. Marenco

Retrieval of Volcanic Ash Parameters from Satellite Data

86

V. V. Kharitonov

On the Porosity of the Unconsolidated Part of Ice Ridge Keel

101

P. D. Lomakin and A. I. Chepyzhenko

Dissolved Organic Matter in the Water of the Abramov Bay (Crimea) in Summer of 2019

109

O. V. Solov’eva, E. A. Tikhonova, O. A. Mironov, K. I. Gurov,
E. A. Kotel’yanets, and T. O. Barabashin

Polycyclic Aromatic Hydrocarbons in the Surface Layer of Bottom Sediments in the Balaklava Bay

116

E. S. Dmitrevskaya, T. A. Krasil’nikova, and O. A. Markova

Environmental Pollution and Radiation Situation on the Russian Federation Territory in January 2021

123

N. Yu. Anan’eva

Weather on the Russian Federation Territory in January 2021

128

A. D. Golubev, L. N. Parshina, and E. O. Petrov

Anomalous Hydrometeorological Phenomena on the Russian Federation Territory in January 2021

132

I. G. Gringof (to the 90th Birthday)

138

G. B. Pigol’tsina (to the 75th Birthday)

139

90 Years to the Volga Administration for Hydrometeorology and Environmental Monitoring

140

125 Years to Sengilei Weather Station

142

Second All-Russian Scientific Conference with International Participation “Monitoring the Environmental State and Pollution. Ecosystems and Climate of the Arctic Zone”

142

In Memory of L. S. Gandin (1921–1997)

144